311101433242 has 16 divisors (see below), whose sum is σ = 467357325120. Its totient is φ = 155315778112.

The previous prime is 311101433113. The next prime is 311101433249. The reversal of 311101433242 is 242334101113.

It is not an unprimeable number, because it can be changed into a prime (311101433249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5548098 + ... + 5603890.

It is an arithmetic number, because the mean of its divisors is an integer number (29209832820).

Almost surely, 2^311101433242 is an apocalyptic number.

311101433242 is a deficient number, since it is larger than the sum of its proper divisors (156255891878).

311101433242 is a wasteful number, since it uses less digits than its factorization.

311101433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59957.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311101433242 its reverse (242334101113), we get a palindrome (553435534355).

The spelling of 311101433242 in words is "three hundred eleven billion, one hundred one million, four hundred thirty-three thousand, two hundred forty-two".